엔트로피를 이용한 영상 스테가노그래피 복호Image Steganography Decoing using Entrophy
- Other Titles
- Image Steganography Decoing using Entrophy
- Authors
- 김찬란; 이상화; 박종일
- Issue Date
- Nov-2016
- Publisher
- 대한전자공학회
- Citation
- 2016년도 대한전자공학회 정기총회 및 추계학술대회, pp 514 - 516
- Pages
- 3
- Indexed
- OTHER
- Journal Title
- 2016년도 대한전자공학회 정기총회 및 추계학술대회
- Start Page
- 514
- End Page
- 516
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/153524
- Abstract
- This paper proposes an algorithm to decode the image steganography using entropy features. When the original image of steganography is randomly permutated in the rows and columns, it is difficult to decode the stego image into the original and cover images without correct random permutation matrix. This paper exploits the entropy features in the decoded images, where the local entropy distributions of incorrectly permutated images are different from that of correctly permutated image. According to the proposed decision rule based on local entropy distribution, randomly permutated stego images can be correctly decoded without supervised decision
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